118 



Phyllotreta — Continued. ' 

 decipiens, injuries by and general ap- 

 pearance of, \\i. 114. 123. 

 pusilla. xxiii. b* ; . 

 vittata, xiii. 62, 86; xxi, 114. 123. 

 Phylloxera oaten by Common Flower 

 ' Bug. xxi. 86 

 Grape, xiv, 7. 

 mode oi using bisuJphid of carbon 

 for, in France, xiii. 173. 

 Physalis as food plant of Margined 

 Blister-beetle, xxi 141. 

 viscosa, a- i*»d <>i same, Misc. Ess., 

 19: xv. 4. 



iris lineolaris, xiii. 116. 

 ' quadrivittatus, xiii. 117. 

 Phytoptus, Crape, xiv. 7. 84-86. 

 vitis, xiv. 84-86. 



European and American forms of, 

 contrasted, xiv. 86. 

 picipes. Otiorhynchus, xxi. 1-14. 

 Pickled-fruit Fly. xiv. 84. 

 picta. Mamestra, xxi. 146, 153; xxiii. 



171. 

 Pieris rapae, xiv. 6. 93: xix. 22: xxi. 152. 

 See also Cabbage-worm, and Cabbage- 

 worm. European or Imported. 

 Piesma cinerea, xxi. 85-86. See Pig- 

 weed Bug. 

 Pigeon-grass as food plant of Corn 

 Root-aphis, xvii. 66. 67; xviii. 

 62, 75. 

 of Imbricated Snout-beetle, xvi. 

 76: xxi. 143. 

 eggs of Corn Plant-louse placed on. 

 by Lasius alienus, xv. 6. 

 Pigs as enemies of Wliite-sjrubs and 

 May-beetles, xviii. 124. 128. 129. 132: 

 xxiv. 156. 165. 166-167. 

 Pigweed as breeding plant of Common 

 Garden Web-worm, xxi. 108, 109. 

 as food plant of Agallia sanguino- 

 lenta, xxi. 70. 

 of Beet Army-worm, xxi, 150. 

 of Black Blister-beetle, xxi. 141 

 of Carrot-beetle, xxiii. 98. 



f Cotton Cutworm, xxiii. SO. 

 of garden web-worms, xxi. 106. 

 of Grass-worm, xxiii. 82. 

 of Margined Blister-beetle, xxi. 

 141 : xxiii. 112. 



Pale-striped Blister-beetle, 

 xviii. 22: xxi. 121: xxiii. 108. 

 Striped Blister-beetle, xxi, 

 140: xxiii. 112. 



Yellow-Black Flea-beetle. 

 xxi. 116 ( Errata"). 

 blossoms, eggs of False Chinch-bug 



among, xxi, 96. 

 Bug. xxi. 85-86. 



i d -Continu'ed. 

 Common Xegro-bug on, xxi, 100. 

 destruction of, as measure against 



Garden Web-worm, xxiii. 91. 

 family as natural food plants of My- 



zus achyrantes, xxiii. 209-210. 

 Garden Flea-hopper on. xxi. 88. 

 infested by Corn Root-aphis, xviii, 61. 

 by Melon Aphis, xxi. 81. 

 by Spanworm, xxiii. 173. 

 Spim - . as food plant of Three-spotted 



Flea-beetle, xxi. 115. 

 White, as food plant of beet leaf- 

 miners, xxi, 60. 

 Emblethis griseus on. xxi, 94. 

 favorite food of Sphragisticus nebu- 

 losus. xxi. 94: xxiii, 198. 

 Pigweeds as breeding place of beet leaf- 

 miners, xxi. 62 

 infested by Hadronema militaris. xxi. 



93. 

 Large-eyed Purslane Bug on. xxi. 95. 

 red or spiny, xxi. 52. 

 Pimpla sp. as parasite of Apple Leaf- 



skeletonizer. xv. 85. 

 Pine Bark-louse, injury to White Pine 

 by, xvii. XIII. See also next entry. 

 Chermes. White, xx. Appendix, 

 flamed with gasoline blast-lamp. xxiv. 



52. 

 infested by Sulphur Leaf-roller, xiv. 



20; xxiii'. 174. 

 -leaf Scale, xx. 21. 

 White, injured by Pine Bark-louse, 

 xvii. XIII. 

 pini. CEcanthus. xxiii. 218. 222. 

 pinicorticis, Chermes. xvii. XIII: xx. 



Appendix. 

 pinifoliae, Chionaspis. xx. 21. 

 Pink-backed Cutworm, xvi. 95. 

 j Pinks, garden, as food of Black Blis- 

 ter beetle, xxi. 141. 

 infested by Common Red Spider, xxi, 



59. 

 subject to attack by wireworms. xviii. 

 30. 

 Pinoleum, soluble, for Apple Leaf-skel- 



etonizer, xv, 61. 

 pisi, Xectarophora, xxi. 83. 

 piste. Fxorista. xxi, 112. 

 pistillata. Scudderia. xxiii. 143. 

 Pitch-pine as food p'ant of Smartweed 



Caterpillar, xxiii. 170. 

 placidus, Sphenophorus, xvi. 58. 62. 65. 



67, 68, 70: xxii. 8: xxiii. 52. 

 Plagiodera lapponica on Willow, xiv, 



117. 

 Plasioiinathus obscurus, xxi. 87. 89; 



xxiii, 201, 233. 

 Plain Ladybug among colonies of corn 

 plant-lice. xiv. 33. 



